subnet.im

AS15499Computacenter Management GmbH trading as Computacenter AG & Co.oHG

GermanyRegistryRIPE NCC

As of 27th September 2026, AS15499 (Computacenter Management GmbH trading…), a network registered in Germany with RIPE NCC, originates 3 IPv4 prefixes covering 84k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 2,670th-largest of the 79,525 networks we see originating IPv4, and the 77th-largest of 2,288 in Germany. It is seen behind 2 upstream networks, most often AS2856 (British Telecommunications) and AS3320 (Deutsche Telekom AG). None of its announcements have a valid RPKI ROA. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

3

IPv6 prefixes

1

IPv4 addresses

84k

IPv6 /64s

65.5k

Upstream graph

The networks AS15499 is seen behind, one and two hops out, drawn from real AS paths.

AS15499Toward the internet core
Upstream graph for AS15499: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS15499Computacenter Man…This networkAS2856British Telecommu…AS3320Deutsche Telekom …AS5400British Telecommu…AS9002RETN LimitedAS13030Init7 (Switzerlan…AS37271Workonline Commun…

Networks observed one and two hops upstream of AS15499 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS15499
NetworkCountryRelationshipPathsVantage pts
AS2856British TelecommunicationsGBPeer16281
AS3320Deutsche Telekom AGDEPeer145145

Prefixes

The largest blocks AS15499 originates, widest first.

Largest prefixes originated by AS15499
PrefixAddressesVisibility
146.105.0.0/1665.5k81/81
195.36.64.0/1816.4k81/81
195.36.96.0/212k81/81
2a02:f38:2::/4865.5k × /6464/64

Routing health

How AS15499's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid0.0%0
  • Invalid0.0%0
  • No ROA100.0%4

Propagation

  • Globally propagated90% of full-feed peers or more100.0%4
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 3 prefixes

IPv6 — 1 prefixes

  • /4865.5k × /64100.0%1

Recent changes

Announcements that started or stopped since 28th Aug 2026.

No announcement by AS15499 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.